Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
10/03/2024, 16:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
53fde37954908daa8acde4758d75f9614dd416ce1320650456e75874cee9a258.dll
Resource
win7-20240220-en
10 signatures
150 seconds
General
- Target 53fde37954908daa8acde4758d75f9614dd416ce1320650456e75874cee9a258.dll
- Size 1020KB
- Sample240310-vghkfsgf35
- SHA256 53fde37954908daa8acde4758d75f9614dd416ce1320650456e75874cee9a258
- MD5 eca3191456025f8122779dd65f6c2b1f
- SHA1 78264a5e35943a3f5e7f0d1f5875abc6367eedaf
- SHA512 1e8d70199c9fa2395f702885f93c62984fcdb9f987239d926cc27d837a074d813f7882569198de5583d8a62488b204b4e198b3fa9d402b83ba46d44fe84318f5
- SSDEEP 12288:0Bim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:Q/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3396-3-0x00000000012B0000-0x00000000012B1000-memory.dmp dridex_stager_shellcode -
resource yara_rule behavioral2/memory/2172-0-0x00007FFABA530000-0x00007FFABA62F000-memory.dmp dridex_payload behavioral2/memory/3396-24-0x0000000140000000-0x00000001400FF000-memory.dmp dridex_payload behavioral2/memory/3396-31-0x0000000140000000-0x00000001400FF000-memory.dmp dridex_payload behavioral2/memory/3396-42-0x0000000140000000-0x00000001400FF000-memory.dmp dridex_payload behavioral2/memory/2172-45-0x00007FFABA530000-0x00007FFABA62F000-memory.dmp dridex_payload behavioral2/memory/1596-52-0x00007FFAAB240000-0x00007FFAAB385000-memory.dmp dridex_payload behavioral2/memory/1596-57-0x00007FFAAB240000-0x00007FFAAB385000-memory.dmp dridex_payload behavioral2/memory/2692-68-0x00007FFAAB350000-0x00007FFAAB450000-memory.dmp dridex_payload behavioral2/memory/2692-73-0x00007FFAAB350000-0x00007FFAAB450000-memory.dmp dridex_payload behavioral2/memory/2392-86-0x00007FFAA86D0000-0x00007FFAA87D6000-memory.dmp dridex_payload behavioral2/memory/2392-88-0x00007FFAA86D0000-0x00007FFAA87D6000-memory.dmp dridex_payload - Executes dropped EXE 3 IoCs
pid Process 1596 dpapimig.exe 2692 sdclt.exe 2392 mspaint.exe - Loads dropped DLL 3 IoCs
pid Process 1596 dpapimig.exe 2692 sdclt.exe 2392 mspaint.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ibefddkasjfzqiq = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\OneNote\\16.0\\BSSHmvS\\sdclt.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA dpapimig.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA sdclt.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mspaint.exe - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Process not Found Key created \REGISTRY\USER\S-1-5-21-2727153400-192325109-1870347593-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Process not Found - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2172 rundll32.exe 2172 rundll32.exe 2172 rundll32.exe 2172 rundll32.exe 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found 3396 Process not Found - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3396 Process not Found Token: SeCreatePagefilePrivilege 3396 Process not Found Token: SeShutdownPrivilege 3396 Process not Found Token: SeCreatePagefilePrivilege 3396 Process not Found Token: SeShutdownPrivilege 3396 Process not Found Token: SeCreatePagefilePrivilege 3396 Process not Found Token: SeShutdownPrivilege 3396 Process not Found Token: SeCreatePagefilePrivilege 3396 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3396 Process not Found 3396 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3396 wrote to memory of 2196 3396 Process not Found 99 PID 3396 wrote to memory of 2196 3396 Process not Found 99 PID 3396 wrote to memory of 1596 3396 Process not Found 100 PID 3396 wrote to memory of 1596 3396 Process not Found 100 PID 3396 wrote to memory of 2768 3396 Process not Found 101 PID 3396 wrote to memory of 2768 3396 Process not Found 101 PID 3396 wrote to memory of 2692 3396 Process not Found 102 PID 3396 wrote to memory of 2692 3396 Process not Found 102 PID 3396 wrote to memory of 4616 3396 Process not Found 105 PID 3396 wrote to memory of 4616 3396 Process not Found 105 PID 3396 wrote to memory of 2392 3396 Process not Found 106 PID 3396 wrote to memory of 2392 3396 Process not Found 106 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\53fde37954908daa8acde4758d75f9614dd416ce1320650456e75874cee9a258.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:2172
-
C:\Windows\system32\dpapimig.exeC:\Windows\system32\dpapimig.exe1⤵PID:2196
-
C:\Users\Admin\AppData\Local\9HODR\dpapimig.exeC:\Users\Admin\AppData\Local\9HODR\dpapimig.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1596
-
C:\Windows\system32\sdclt.exeC:\Windows\system32\sdclt.exe1⤵PID:2768
-
C:\Users\Admin\AppData\Local\gufou\sdclt.exeC:\Users\Admin\AppData\Local\gufou\sdclt.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2692
-
C:\Windows\system32\mspaint.exeC:\Windows\system32\mspaint.exe1⤵PID:4616
-
C:\Users\Admin\AppData\Local\TNA4s94\mspaint.exeC:\Users\Admin\AppData\Local\TNA4s94\mspaint.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\9HODR\DUI70.dll
- Size 1.3MB
- SHA256 d776d72f142d46c5301d06f769c1fc5d605c0f11002eb07a78354b9e602c870d
- MD5 1febbb1ff447c68f8acec034a6a52ffe
- SHA1 f33ca64e7dc7e1243fae916bd4fd8faf4586ee90
- SHA512 7dd2da2311754dba559080cef9571194ec52c505e306c311683b227b131ea9d8d93650b534f49c106f9294a1320397ae10847d0f85df6e9fc3a7e05f755478c4
- SSDEEP 12288:UBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdNct0:w/nts0Q9K/0ooRQIxAk2wi0N/U
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\9HODR\dpapimig.exe
- Size 76KB
- SHA256 a8147d08b82609c72d588a0a604cd3c1f2076befcc719d282c7cbd6525ae89eb
- MD5 b6d6477a0c90a81624c6a8548026b4d0
- SHA1 e6eac6941d27f76bbd306c2938c0a962dbf1ced1
- SHA512 72ec8b79e3438f0f981129a323ad39db84df7dd14a796a820bdbc74ea8fa13eee843d1ea030a0c1caeda2e2d69952f14a821a73825b38dd9415047aca597b1fe
- SSDEEP 1536:5Thpc5GR/Zhp00l3uU1HIED1fCbWpygzU:VhaKh+SJj16bE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\TNA4s94\MFC42u.dll
- Size 1.0MB
- SHA256 3be41c676ed7b9da80d502ef19cc7c37a5afa7ca040824b42789307293235523
- MD5 6782e866d189222c1d80b33808c24677
- SHA1 350968e316f3439dc7d2539bb717d67e8d2f0945
- SHA512 b8beffb3d1d77bfee9842f68f95488e8e02de5484b012fa8b8698a30010901f39d09e6e3f4d633e3178f7665a7e0d47a97cdcd021cfd4bbe85890435fe89e8ea
- SSDEEP 12288:0Bim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN5:Q/nts0Q9K/0ooRQIxAk2wi0N/x
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\TNA4s94\mspaint.exe
- Size 965KB
- SHA256 94aa32a2c9c1d2db78318d9c68262c2f834abe26b6e9a661700324b55fdd5709
- MD5 f221a4ccafec690101c59f726c95b646
- SHA1 2098e4b62eaab213cbee73ba40fe4f1b8901a782
- SHA512 8e3f4e4f68565ef09f5e762d6bb41b160711bbacac9dfcbe33edea9885fd042e6ce9a248bfcc62f9cffdb8e6bbe1b04c89bd41fcd9a373a5c8bc7bbff96dceaf
- SSDEEP 12288:+iwNLXXh3V1mkVYCsOfxBmMQsriL+iOLr5EFUSWJs0kApWWFO3T+pVol0A64lG6i:bwNzn7Z9QCiyiOZE6eGp0+pml/lN9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\gufou\WTSAPI32.dll
- Size 1024KB
- SHA256 96f9d2181f0f70e6e0491dc8e3cffc05d0ef162e0fd71f80b265b7ea90e97b77
- MD5 cc5882ddd642c4b0c087b2c5bb53e942
- SHA1 21649a8e84ce0f6271aa1e142cbcfbe7c0e61a2e
- SHA512 c9ace596cb6c56273073738c98a112b586cf2db61fdbb5e7f9dab7030f145d57a84a97bf90ee32d678cc30d9e875fa499789eeba03d6592281c4cc9da3fd64bb
- SSDEEP 12288:YBim9Tnts08FbKuPcA8NAc1l/XkGaZKoRQIpRX2/0Ak2ng/Zi66wNdufAdN:E/nts0Q9K/0ooRQIxAk2wi0N/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\gufou\sdclt.exe
- Size 1.2MB
- SHA256 efd238ea79b93d07852d39052f1411618c36e7597e8af0966c4a3223f0021dc3
- MD5 e09d48f225e7abcab14ebd3b8a9668ec
- SHA1 1c5b9322b51c09a407d182df481609f7cb8c425d
- SHA512 384d606b90c4803e5144b4de24edc537cb22dd59336a18a58d229500ed36aec92c8467cae6d3f326647bd044d8074931da553c7809727fb70227e99c257df0b4
- SSDEEP 24576:VK0ddqA6u5zrIlGjck1iPh9yptQHZ7RHegR:RHrmjk1iPaQ5dH9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\STARTM~1\Programs\Startup\Zleyjbxoi.lnk
- Size 986B
- SHA256 65a822894d9e38df8662f0d61225692841a7ad0f8b6f77a9e547521ad1d3d0c9
- MD5 bf003cf62690c079d647a54bba90c076
- SHA1 c706c01e110b856df378efeae754cf3a8dcd449a
- SHA512 a325893bf5e78b60ce571dc87f117783748481dcb9d722c29e64bed39fa1cc380bde058116d48f60b6c9f62f042d85e343535e2a79241142005fd3445ec7a9b0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Mozilla\vDIw7z\MFC42u.dll
- Size 160KB
- SHA256 5ef512d767decd8c12959246514145fa88dd15dccfe1b0eb4316fed1380d87a2
- MD5 7a5ce0017e95324d51a44a85cdcc3da3
- SHA1 8bcc7c3b4b36550188b1b9701a2603cf3d3f6880
- SHA512 4671cf398458030a135789fefb4d06e291a9e74566de38b0512cb5f413fc6ad510e219ef563374e117cb12240622f75c4d1ff0fa895d9607712b289c66cba275
- SSDEEP 3072:a5/gw6RcnOmWly75epv2ne6ngQVa30XPE4gz7pQKK9aDGRTSTKgcAm9OV1QBCAN1:0BinmWo7Tnt7Y08TzdbKuGA/cABPgtN1
- MD5 SHA1 SHA512 SSDEEP